Blog
Blog
Quoting, technology and running a CNC shop. Written from the shop floor, not the marketing desk.
· 22 min read
Longitudinal Turning: How It Works, Types of Turning, Cutting Parameters and Applications
Longitudinal turning is the basic operation on every lathe, from a shaft in a workshop to a spindle in heavy machinery. We explain the kinematics, the types of turning, the role of the entering angle, parameter selection and where roughing ends and precision turning begins.
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· 14 min read
Machining: How Metal Cutting Works, Types, Accuracy and Applications
Machining is the foundation of producing machine parts: from raw bar stock to a component accurate to hundredths of a millimetre. We explain how cutting works, the types of machining and chips, where accuracy comes from and where the technology works every day.
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· 13 min read
Surface Roughness Symbols and Callouts on Technical Drawings
The roughness symbol on a drawing tells the machinist how smooth every surface of a part must be. We explain the symbol variants, Ra and Rz callouts, the max rule, lay direction and roughness grades - with tables and examples.
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· 15 min read ·
Cutting Parameters Calculator: Speed, RPM and Feed Explained
Cutting speed, spindle RPM and feed - these three numbers decide tool life, surface quality and machining time. We show the formulas, worked examples and typical values you can plug straight into a cutting parameters calculator.
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· 10 min read ·
Cutting Tools: Types, Design and How to Choose the Right Ones
Turning tools, mills, drills and saws - cutting tools do all the real work on a machine tool. We explain tool types, design and materials, and advise how to choose the right tool for the operation.
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· 13 min read ·
G-code Essential Commands and CNC Programming
G-code is the language spoken by virtually every CNC machine. We explain program structure, the essential G commands, the machine zero point and drilling cycles, and walk through a sample program line by line.
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· 10 min read ·
Surface Roughness: Ra and Rz Parameters, Grades, Measurement and Drawing Symbols
Surface roughness determines friction, sealing and part life, and it also drives machining cost. We explain the Ra and Rz parameters, roughness grades, measurement methods and drawing symbols.
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· 10 min read
CNC Machining: What It Is, How It Works, and Why It Powers Modern Industry
CNC machining is the standard way of producing precision parts from metals and plastics. We explain how metal cutting works, what the main methods and advantages are, and what drives the price.
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· 6 min read
The Most Expensive Minute Is the One When the Machine Stands Still
Intuition says the price of a CNC part comes from cutting. In a real machine shop, the tool is often cutting for less than half of the time you are billed for. This article is about the invisible half of the price and how to shrink it.
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· 6 min read ·
The Price of One Decimal Place: How Tolerances Drive the Cost of CNC Parts
ISO 2768, H7 fits, Ra surface finish - how drawing tolerances drive the price of CNC parts, and which ones you can safely loosen to pay less.
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· 7 min read
From 1972 Time-Norm Tables to Algorithms. Why CNC Quoting Still Works Like It Did Half a Century Ago
The science of machining time estimation was solved decades ago. Why CNC quoting in most machine shops still works like it did in 1972 - and how automated quoting with technologist approval changes that.
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